Add a Mooncake installation tutorial for kv pool and update Mooncake installation tutorial (#5069)

### What this PR does / why we need it?
Add a Mooncake installation tutorial for kv pool and update Mooncake
installation tutorial

- vLLM version: v0.12.0
- vLLM main:
ad32e3e19c

Signed-off-by: liziyu <liziyu16@huawei.com>
Co-authored-by: Mengqing Cao <cmq0113@163.com>

docs/source/tutorials/pd_disaggregation_mooncake_single_node.md

@@ -79,7 +79,8 @@ docker run --rm \
 
 ## Install Mooncake
 
-Mooncake is the serving platform for Kimi, a leading LLM service provided by Moonshot AI. First, we need to obtain the Mooncake project. Refer to the following command:
+Mooncake is the serving platform for Kimi, a leading LLM service provided by Moonshot AI.Installation and Compilation Guide: https://github.com/kvcache-ai/Mooncake?tab=readme-ov-file#build-and-use-binaries.
+First, we need to obtain the Mooncake project. Refer to the following command:
 
 ```shell
 git clone -b v0.3.7.post2 --depth 1 https://github.com/kvcache-ai/Mooncake.git
@@ -114,6 +115,17 @@ make -j
 make install
 ```
 
+Set environment variables
+
+**Note:**
+
+- Adjust the Python path according to your specific Python installation
+- Ensure `/usr/local/lib` and `/usr/local/lib64` are in your `LD_LIBRARY_PATH`
+
+```shell
+export LD_LIBRARY_PATH=/usr/local/lib64/python3.11/site-packages/mooncake:$LD_LIBRARY_PATH
+```
+
 ## Prefiller/Decoder Deployment
 
 We can run the following scripts to launch a server on the prefiller/decoder NPU, respectively.